This is the scene of the crash on I-90. Kevin Standefer, 49, was driving a pick-up that passenger Daniel J. Miller had just left to get trimming equipment when a Santa Fe hit the back of this pick-up. Miller was pronounced dead at the scene. Standefer was taken to St. Anthony's Hospital in Michigan City. The driver of the Santa Fe was airlifted from the scene to South Bend Memorial where he died from injuries. (Photo Supplied)(AP)Emergency medical people respond on the scene of the crash on I-90. Kevin Standefer, 49, was driving a pick-up that passenger Daniel J. Miller had just left to get trimming equipment when a Santa Fe hit the back of the pick-up. Miller was pronounced dead at the scene. Standefer was taken to St. Anthony's Hospital in Michigan City. The driver of the Santa Fe is being airlifted from the scene to South Bend Memorial where he died from injuries. (Photo Supplied)(AP)A man walks around the scene of the crash on I-90. Kevin Standefer, 49, was driving a pick-up that passenger Daniel J. Miller had just left to get trimming equipment when a Santa Fe hit the back of the pick-up. Miller was pronounced dead at the scene. Standefer was taken to St. Anthony's Hospital in Michigan City. The driver of this Santa Fe was airlifted from the scene to South Bend Memorial where he died from injuries. (Photo Supplied)(AP)

The crash occurred near the highway’s 40-mile marker near Michigan City. Police say the pickup had warning lights and a warning arrow board activated, and signs behind the truck warned approaching motorists of work ahead.